Unified Theory for Predicting Maximum Fluid Particle Size for Drops and Bubbles.

摘要

A simple model is developed based on a two-dimensional linearized Kelvin-Helmholtz stability theory to describe the breakup of drops and bubbles in fluid media. Breakup is predicted to occur if the growth of disturbances at the interface is faster than the rate at which disturbances propagate around the interface to the side of particle. Agreement between the model and experimental data indicates that the principle physical mechanisms involved are properly accounted for by the model. The same theory is applicable to drops in liquid, drops in gas, and bubbles in liquid. The present analysis gives the first unified theory for fluid particle breakups which has not been available previously.